The Respiratory System

1. The Respiratory System By Raphael Flores

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4. Respiration? An important system in which oxygen and carbon dioxide are exchanged between cells, blood, and air in the lungs.

5. Main Job? • It is a simple task, to exchange oxygen and carbon dioxide. • However, without oxygen, cells lose much of their ability to produce ATP • ATP is needed to synthesize new molecules, pump ions, and carry nerve impulses. -Your body keeps up with your needs, like running, the muscle cells need more oxygen to do what you want.

6. More in depth… Inhaled, they fill up with oxygen and other gases, then as a gas waste, carbon dioxide is exhaled. This allows the volume of the chest cavity to expand, therefore allowing us to breath, thus air rushing into the passages. The windpipe that serves as a air passage to the lungs.

7. Into the Lungs A passage way for the air to get into the alveoli and undergo gas exchange. Millions of tiny air sacs clustered like grapes are wrapped around a delicate layer of thin capillaries in which gas exchange begins.

8. Gas Exchange-Step 1 Inhaling, oxygen is diffused into the capillaries when carbon dioxide is diffused oppositely when exhaling.

9. Gas Exchange-Step 2 Deoxygenated blood is passed through the capillaries and when the oxygen inhaled arrives at the alveoli, the oxygen is then grabbed by the blood. Oxygen and carbon dioxide pass through two layers, the epithelium, and the wall of capillary.

10. Protective Procedures

11. Protective Procedures 1. To keep the lungs clean important cells called the cilia is found in the lining of the trachea and trap unwanted particles of dust or smoke. Cilia Trapped particle

12. Protective Procedures 2. In the nose there are tiny hairs trap bacteria from getting in. The lymphatic system produces mucus where it is formed to trap bacteria when breathing. Major role in immune system as well. Nose hair

13. Protective Procedures 3. Mucus keeps the passageways and pharynx (throat) warm and moistened so that air can be filtered perfectly.

14. Protective Procedures 4. As a waste basket, cilia sweep the mucus and dirt to the pharynx or throat to be swallowed or spit out. Inhaled dirt Clustered dirt

15. Overview-Protection Cycle 2. In the nose there are tiny hairs trap bacteria from getting in. The lymphatic system produces mucus where it is formed to trap bacteria when breathing. Major role in immune system as well. 1. To keep the lungs clean important cells called the cilia is found in the lining of the trachea and trap unwanted particles of dust or smoke. 3. Mucus keeps the passageways and pharynx (throat) warm and moistened so that air can be filtered perfectly. 4. As a waste basket, cilia sweep the mucus and dirt to the pharynx or throat to be swallowed or spit out.

16. Human vs. Animal Human Respiratory System Blue Jay There is one small difference, birds need more air sacs for flight. When taking off, birds require more strength to hover, when in the air they require less from lifting winds, but with the high altitudes it is hard to breath, therefore more air sacs.

17. Citations http://theunjustmedia.com/Darwinism%20Refuted/Darwinism%20Refuted/Kuzemnre1.jpg http://cache.eb.com/eb/image?id=62651&rendTypeId=4 http://www.mayoclinic.org/images/normal-pharynx-esophagus-anatomy-lg-bdy.jpg http://www.answersingenesis.org/assets/images/articles/am/v2/n3/hair2-2.jpg http://www.bioscope.org/taste/cd1/a0255b.htm http://www.p-c-d.org/nl/brochure/cilia.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Respiratory_system.svg/424px-Respiratory_system.svg.png http://www.youtube.com/watch?v=vVm3FbBXYhg

18. The End